12 14 550 Replacing control unit (DME)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks:

IMPORTANT: Follow instructions for removing and installing electronic control units

Unlock cover (1) with slide (3).

Release bolts (2).

Remove electronics box cover (1).

Installation:

Engage electronics box cover (1) correctly in hinges.

Security version:

Remove DME armour plating.

Fig 1: Identifying Electronics Box Cover And Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach all plug connections on DME control unit (1).

Unlock DME control unit (1) and remove.

Fig 2: Identifying DME Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Read out fault memory of DME control unit.
Check stored fault messages.
Now clear the fault memory.